OWASP Zed Attack Proxy (ZAP) is an easy-to-use integrated penetration testing tool for finding vulnerabilities in Web applications. It is designed to be used by people with a wide range of security experience and as such is ideal for developers and functional testers who are new to penetration testing as well as being a useful addition to an experienced pen tester's toolbox. ZAP provides automated scanners as well as a set of tools that allow you to find security vulnerabilities manually.

WordPress products catalog plugin allows you to create a cool catalog with your products. It has a lot of parameters which can be set, so you can easily change what you need. It allows you to search products with product names and categories.

Joomla contact form builder extension is a complicated tool for making submission forms for your Joomla website. It permits you to specify parameters like colors and fonts. It can use a Google map when given an address or geographical coordinates (longitude and latitude), and the user can drag the marker to the required location.

WordPress FAQ is a cool plugin for creating your FAQ section . It has a lot of parameters to set, and it will allow you set your own theme from scratch. It has a user-friendly front-end and back-end interface, allowing you to set all parameters quickly and easily. FAQs have SEO-friendly URLs.

WordPress calendar widget is a tool for creating events on your website.
You can use this plugin on a widget or a page.
You can create an event and repeat it weekly, monthly, or yearly.
You can edit a lot of parameters such as the font size and font colors.

Joomla video player extension allows you to embed videos from YouTube or other sources on your Joomla site. It has its own gallery with beautiful effects, supports Flash and HTML 5, and provides share buttons so users can easily share videos with friends.